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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Thursday
• 
• High: 90 °
• Low: 73 °
• Thunderstorm

• Friday
• 
• High: 90 °
• Low: 72 °
• Chance of a Thunderstorm

• Saturday
• 
• High: 90 °
• Low: 70 °
• Chance of a Thunderstorm

• Sunday
• 
• High: 86 °
• Low: 68 °
• Partly Cloudy

• Monday
• 
• High: 88 °
• Low: 70 °
• Partly Cloudy

Area forecast discussion 
National Weather Service Houston/Galveston Texas 
617 am CDT Thursday may 23 2013 


Discussion... 


See aviation. 


&& 


Aviation... 


Seeing a mix of MVFR and IFR ceilings...as well as patchy LIFR 
fog this morning. Conditions will improve around middle-morning with 
some mixing. Southeast winds 8-12 kts are expected by late morning. 
Expect IFR ceilings to return Thursday night. 33 


&& 


Previous discussion... /issued 340 am CDT Thursday may 23 2013/ 


Discussion... 
a weak trough of low pressure over eastern New Mexico and high 
pressure over the northern Gulf Coast will maintain onshore winds 
through the weekend. Hi res models all show isolated to scattered 
rain showers/thunderstorms and rain developing with daytime heating and forecast soundings show 
a breakable cap so added slight chance probability of precipitation for today and again 
Friday. Upper level ridging begins to amplify over East Texas but 
the strength of the ridge just doesn't look strong enough to 
produce strong capping to limit convection. A subtle weakness at 
500 mb will slowly move across the state on Sat/sun. This feature 
will likely produce some scattered convection mainly over the 
northern and western half of the area on Sunday. A deep upper 
level trough will develop off the West Coast early next week and 
move slowly to the east. As the trough deepens...an upper level 
ridge over Texas will amplify. This should keep things subsident 
and relatively dry over southeast Texas. Mex numbers look a little cool 
considering the position of the upper level ridge so went a few 
degrees warmer than mex guidance. 43 


Marine... 
surface high pressure centered east/northeast of the area coupled 
with low pressure across West Texas and in the Lee of The Rockies 
will continue to drive light to moderate onshore flow through the 
weekend. By Tuesday of next week the pressure gradient will tighten 
as low pressure deepens across the Western Plains. This will produce 
stronger onshore winds through late next week and elevate wave 
heights and winds to caution levels offshore. 33 


&& 


Preliminary point temps/pops... 
College Station (cll) 92 72 90 70 90 / 10 10 20 10 20 
Houston (iah) 90 72 90 71 89 / 10 10 20 10 20 
Galveston (gls) 83 74 83 73 84 / 10 10 10 10 10 


&& 


Hgx watches/warnings/advisories... 
Texas...none. 
GM...none. 
&& 


$$ 


Discussion...43 
aviation/marine...33